552,A truly pistol size Red/Green Dot Sight: black, tan; Made by High Quality Alumium with Black Matt Finish;100% Brand New with Box Packing;Auto Power Off (after 120mins of last key pressed); 10 Level brightness for Green & Red Dot; Anti-glare reflective coating on front lens; Shock,Weather & Fog Proof,fits for different situation; 1X Magnification,Fixed Focus.